单项选择题

Not until ______ himself seriously ill.

A．he had completed the task did he find
B．had he completed the task did he find
C．he completed the task had he found
D．did he complete the task he had found

<上一题目录下一题>

热门试题

单项选择题

The ______ crown jewels are kept in the Tower of London.

A．valued
B．valueless
C．invaluable
D．worthy

单项选择题

______ the examinations are over, we can all relax.

A．While
B．Even though
C．For
D．Now that